Communication hub



FIG. 1 is a front elevational view of a communication hub showing a new design;

FIG. 2 is a rear elevational view of the communication hub;

FIG. 3 is a top plan elevational view of the communication hub;

FIG. 4 is a bottom plan elevational view of the communication hub;

FIG. 5 is a right side elevational view common to the right and left sides;

FIG. 6 is a left side elevational view of the communication hub;

FIG. 7 is a perspective view of the communication hub; and,

FIG. 8 is a cross-sectional view of the communication hub. 

The ornamental design for a communication hub, as shown. 